27056784330 has 24 divisors (see below), whose sum is σ = 70347639492. Its totient is φ = 7215142464.

The previous prime is 27056784319. The next prime is 27056784331. The reversal of 27056784330 is 3348765072.

27056784330 is a `hidden beast` number, since 2 + 7 + 0 + 567 + 84 + 3 + 3 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23137147881 + 3919636449 = 152109^2 + 62607^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27056784331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150315379 + ... + 150315558.

Almost surely, 2^27056784330 is an apocalyptic number.

27056784330 is an abundant number, since it is smaller than the sum of its proper divisors (43290855162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27056784330 is a wasteful number, since it uses less digits than its factorization.

27056784330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300630950 (or 300630947 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 27056784330 in words is "twenty-seven billion, fifty-six million, seven hundred eighty-four thousand, three hundred thirty".